#5B333B
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.059 7.4), rgb(91, 51, 59).
Aa
White text reads best on this color (10.59:1).
About this color
#5B333B is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 10.59:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.59:1 |
Values
| HEX | #5B333B |
| RGB | rgb(91, 51, 59) |
| HSL | hsl(348, 28%, 28%) |
| OKLCH | oklch(37.4% 0.059 7.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5B333B | 10.59:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #5B333B | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #5B333B text on white | 10.59:1 | AAA | Lc 94.4 | Preferred for body text |
| #5B333B text on black | 1.98:1 | Fails | Lc -8.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#DBB5BB
oklch(80.8% 0.045 7.4)
-
Step 400
400
#C88F99
oklch(70.8% 0.07 7.4)
-
Step 500
500
#B87280
oklch(63.1% 0.09 7)
-
Step 600
600
#A35A69
oklch(55.7% 0.097 7.5)
-
Step 700
700
#8C4957
oklch(49.1% 0.092 7.7)
-
Step 800
800
#713C47
oklch(42.6% 0.075 7.5)
-
Step 900
900 (this color)
#5B333B
oklch(37.4% 0.059 7.4)
-
Step 950
950
#361F23
oklch(27.1% 0.036 8.4)
#5B333B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3A3A3B | 0.063 |
| Deuteranopia (no green cones) | #43413A | 0.059 |
| Tritanopia (no blue cones) | #623036 | 0.016 |
| Achromatopsia (no color) | #3F3F3F | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B333B
#5B333B
oklch(37.4% 0.059 7.4)
- #0F4B46
#0F4B46
oklch(37.5% 0.059 186.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B333B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.065
- Onyx #343A40 ΔE 0.072
- Brownish Purple #76424E ΔE 0.073
- Chestnut #742802 ΔE 0.076
- Reddy Brown #6E1005 ΔE 0.083
- Claret #680018 ΔE 0.088
- Merlot #730039 ΔE 0.089
Use #5B333B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.